Mercurial > gnulib

annotate tests/test-nonblocking-reader.h @ 40057:b06060465f09

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
maint: Run 'make update-copyright'
author Paul Eggert <eggert@cs.ucla.edu>
date Tue, 01 Jan 2019 00:25:11 +0100
parents 10eb9086bea0
children
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
14589
e34e9b75f470 nonblocking: Add tests for pipes.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
1 /* The reader part of a test program for non-blocking communication.
e34e9b75f470 nonblocking: Add tests for pipes.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
2
40057
b06060465f09 maint: Run 'make update-copyright'
Paul Eggert <eggert@cs.ucla.edu>
parents: 19484
diff changeset
3 Copyright (C) 2011-2019 Free Software Foundation, Inc.
14589
e34e9b75f470 nonblocking: Add tests for pipes.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
4
e34e9b75f470 nonblocking: Add tests for pipes.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
5 This program is free software: you can redistribute it and/or modify
e34e9b75f470 nonblocking: Add tests for pipes.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
6 it under the terms of the GNU General Public License as published by
e34e9b75f470 nonblocking: Add tests for pipes.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
7 the Free Software Foundation; either version 3 of the License, or
e34e9b75f470 nonblocking: Add tests for pipes.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
8 (at your option) any later version.
e34e9b75f470 nonblocking: Add tests for pipes.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
9
e34e9b75f470 nonblocking: Add tests for pipes.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
10 This program is distributed in the hope that it will be useful,
e34e9b75f470 nonblocking: Add tests for pipes.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
11 but WITHOUT ANY WARRANTY; without even the implied warranty of
e34e9b75f470 nonblocking: Add tests for pipes.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
e34e9b75f470 nonblocking: Add tests for pipes.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
13 GNU General Public License for more details.
e34e9b75f470 nonblocking: Add tests for pipes.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
14
e34e9b75f470 nonblocking: Add tests for pipes.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
15 You should have received a copy of the GNU General Public License
19190
9759915b2aca all: prefer https: URLs
Paul Eggert <eggert@cs.ucla.edu>
parents: 18626
diff changeset
16 along with this program. If not, see <https://www.gnu.org/licenses/>. */
14589
e34e9b75f470 nonblocking: Add tests for pipes.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
17
e34e9b75f470 nonblocking: Add tests for pipes.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
18 /* This program implements 4 tests:
e34e9b75f470 nonblocking: Add tests for pipes.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
19
e34e9b75f470 nonblocking: Add tests for pipes.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
20 test == 0:
e34e9b75f470 nonblocking: Add tests for pipes.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
21 Test blocking write() with blocking read().
e34e9b75f470 nonblocking: Add tests for pipes.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
22
e34e9b75f470 nonblocking: Add tests for pipes.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
23 Timeline Main process Child process
e34e9b75f470 nonblocking: Add tests for pipes.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
24 0 s Start Start, read(10000)
e34e9b75f470 nonblocking: Add tests for pipes.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
25 1 s write(20000) Return from read(10000)
e34e9b75f470 nonblocking: Add tests for pipes.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
26 2 s Next read(10000)
e34e9b75f470 nonblocking: Add tests for pipes.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
27 2 s Return from write(20000) Return from read(10000)
e34e9b75f470 nonblocking: Add tests for pipes.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
28
e34e9b75f470 nonblocking: Add tests for pipes.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
29 test == 1:
e34e9b75f470 nonblocking: Add tests for pipes.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
30 Test non-blocking write() with blocking read().
e34e9b75f470 nonblocking: Add tests for pipes.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
31
e34e9b75f470 nonblocking: Add tests for pipes.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
32 Timeline Main process Child process
e34e9b75f470 nonblocking: Add tests for pipes.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
33 0 s Start Start, read(10000)
e34e9b75f470 nonblocking: Add tests for pipes.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
34 1 s write(20000) Return from read(10000)
e34e9b75f470 nonblocking: Add tests for pipes.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
35 Return with at least 10000,
e34e9b75f470 nonblocking: Add tests for pipes.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
36 Repeatedly continue
e34e9b75f470 nonblocking: Add tests for pipes.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
37 write() of the rest
e34e9b75f470 nonblocking: Add tests for pipes.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
38 2 s Next read(10000)
e34e9b75f470 nonblocking: Add tests for pipes.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
39 2 s Return from write(10000) Return from read(10000)
e34e9b75f470 nonblocking: Add tests for pipes.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
40
e34e9b75f470 nonblocking: Add tests for pipes.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
41 test == 2:
e34e9b75f470 nonblocking: Add tests for pipes.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
42 Test blocking write() with non-blocking read().
e34e9b75f470 nonblocking: Add tests for pipes.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
43
e34e9b75f470 nonblocking: Add tests for pipes.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
44 Timeline Main process Child process
e34e9b75f470 nonblocking: Add tests for pipes.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
45 0 s Start Start, read(10000)
e34e9b75f470 nonblocking: Add tests for pipes.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
46 repeatedly polling
e34e9b75f470 nonblocking: Add tests for pipes.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
47 1 s write(20000) Return from read(10000)
e34e9b75f470 nonblocking: Add tests for pipes.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
48 2 s Next read(10000)
e34e9b75f470 nonblocking: Add tests for pipes.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
49 2 s Return from write(20000) Return from read(10000)
e34e9b75f470 nonblocking: Add tests for pipes.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
50
e34e9b75f470 nonblocking: Add tests for pipes.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
51 test == 3:
e34e9b75f470 nonblocking: Add tests for pipes.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
52 Test non-blocking write() with non-blocking read().
e34e9b75f470 nonblocking: Add tests for pipes.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
53 */
e34e9b75f470 nonblocking: Add tests for pipes.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
54
e34e9b75f470 nonblocking: Add tests for pipes.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
55 #include "test-nonblocking-misc.h"
e34e9b75f470 nonblocking: Add tests for pipes.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
56
e34e9b75f470 nonblocking: Add tests for pipes.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
57 static ssize_t
e34e9b75f470 nonblocking: Add tests for pipes.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
58 full_read (size_t fd, void *buf, size_t count)
e34e9b75f470 nonblocking: Add tests for pipes.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
59 {
e34e9b75f470 nonblocking: Add tests for pipes.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
60 size_t bytes_read;
e34e9b75f470 nonblocking: Add tests for pipes.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
61
e34e9b75f470 nonblocking: Add tests for pipes.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
62 bytes_read = 0;
e34e9b75f470 nonblocking: Add tests for pipes.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
63 while (bytes_read < count)
e34e9b75f470 nonblocking: Add tests for pipes.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
64 {
e34e9b75f470 nonblocking: Add tests for pipes.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
65 TIMING_DECLS
e34e9b75f470 nonblocking: Add tests for pipes.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
66 ssize_t ret;
e34e9b75f470 nonblocking: Add tests for pipes.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
67 int saved_errno;
e34e9b75f470 nonblocking: Add tests for pipes.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
68
e34e9b75f470 nonblocking: Add tests for pipes.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
69 dbgfprintf (stderr, "%s: >> read (%lu)\n", PROG_ROLE,
e34e9b75f470 nonblocking: Add tests for pipes.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
70 (unsigned long) (count - bytes_read));
e34e9b75f470 nonblocking: Add tests for pipes.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
71 START_TIMING
e34e9b75f470 nonblocking: Add tests for pipes.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
72 ret = read (fd, (char *) buf + bytes_read, count - bytes_read);
e34e9b75f470 nonblocking: Add tests for pipes.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
73 saved_errno = errno;
e34e9b75f470 nonblocking: Add tests for pipes.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
74 END_TIMING
e34e9b75f470 nonblocking: Add tests for pipes.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
75 dbgfprintf (stderr, "%s: << read -> %ld%s\n", PROG_ROLE,
e34e9b75f470 nonblocking: Add tests for pipes.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
76 (long) ret, dbgstrerror (ret < 0, saved_errno));
e34e9b75f470 nonblocking: Add tests for pipes.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
77 if (ret < 0)
e34e9b75f470 nonblocking: Add tests for pipes.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
78 return -1;
e34e9b75f470 nonblocking: Add tests for pipes.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
79 else
e34e9b75f470 nonblocking: Add tests for pipes.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
80 {
e34e9b75f470 nonblocking: Add tests for pipes.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
81 ASSERT (ret > 0);
e34e9b75f470 nonblocking: Add tests for pipes.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
82 bytes_read += ret;
e34e9b75f470 nonblocking: Add tests for pipes.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
83 }
e34e9b75f470 nonblocking: Add tests for pipes.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
84 }
e34e9b75f470 nonblocking: Add tests for pipes.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
85 return bytes_read;
e34e9b75f470 nonblocking: Add tests for pipes.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
86 }
e34e9b75f470 nonblocking: Add tests for pipes.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
87
e34e9b75f470 nonblocking: Add tests for pipes.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
88 static ssize_t
e34e9b75f470 nonblocking: Add tests for pipes.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
89 full_read_from_nonblocking_fd (size_t fd, void *buf, size_t count)
e34e9b75f470 nonblocking: Add tests for pipes.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
90 {
e34e9b75f470 nonblocking: Add tests for pipes.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
91 size_t bytes_read;
e34e9b75f470 nonblocking: Add tests for pipes.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
92
e34e9b75f470 nonblocking: Add tests for pipes.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
93 bytes_read = 0;
e34e9b75f470 nonblocking: Add tests for pipes.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
94 while (bytes_read < count)
e34e9b75f470 nonblocking: Add tests for pipes.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
95 {
e34e9b75f470 nonblocking: Add tests for pipes.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
96 TIMING_DECLS
e34e9b75f470 nonblocking: Add tests for pipes.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
97 ssize_t ret;
e34e9b75f470 nonblocking: Add tests for pipes.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
98 int saved_errno;
e34e9b75f470 nonblocking: Add tests for pipes.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
99
e34e9b75f470 nonblocking: Add tests for pipes.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
100 dbgfprintf (stderr, "%s: >> read (%lu)\n", PROG_ROLE,
e34e9b75f470 nonblocking: Add tests for pipes.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
101 (unsigned long) (count - bytes_read));
e34e9b75f470 nonblocking: Add tests for pipes.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
102 START_TIMING
e34e9b75f470 nonblocking: Add tests for pipes.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
103 ret = read (fd, (char *) buf + bytes_read, count - bytes_read);
e34e9b75f470 nonblocking: Add tests for pipes.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
104 saved_errno = errno;
e34e9b75f470 nonblocking: Add tests for pipes.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
105 END_TIMING
e34e9b75f470 nonblocking: Add tests for pipes.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
106 dbgfprintf (stderr, "%s: << read -> %ld%s\n", PROG_ROLE,
e34e9b75f470 nonblocking: Add tests for pipes.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
107 (long) ret, dbgstrerror (ret < 0, saved_errno));
e34e9b75f470 nonblocking: Add tests for pipes.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
108 /* This assertion fails if the non-blocking flag is effectively not set
14593
506583b3e66a nonblocking tests: Tweak comment.
Bruno Haible <bruno@clisp.org>
parents: 14589
diff changeset
109 on fd. */
14589
e34e9b75f470 nonblocking: Add tests for pipes.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
110 ASSERT (spent_time < 0.5);
e34e9b75f470 nonblocking: Add tests for pipes.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
111 if (ret < 0)
e34e9b75f470 nonblocking: Add tests for pipes.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
112 {
18373
ba7c2fe347c8 maint: port tests to z/OS errno behavior
Daniel Richard G <skunk@iSKUNK.ORG>
parents: 18189
diff changeset
113 ASSERT (saved_errno == EAGAIN || saved_errno == EWOULDBLOCK);
14589
e34e9b75f470 nonblocking: Add tests for pipes.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
114 usleep (SMALL_DELAY);
e34e9b75f470 nonblocking: Add tests for pipes.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
115 }
e34e9b75f470 nonblocking: Add tests for pipes.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
116 else
e34e9b75f470 nonblocking: Add tests for pipes.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
117 {
e34e9b75f470 nonblocking: Add tests for pipes.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
118 ASSERT (ret > 0);
e34e9b75f470 nonblocking: Add tests for pipes.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
119 bytes_read += ret;
e34e9b75f470 nonblocking: Add tests for pipes.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
120 }
e34e9b75f470 nonblocking: Add tests for pipes.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
121 }
e34e9b75f470 nonblocking: Add tests for pipes.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
122 return bytes_read;
e34e9b75f470 nonblocking: Add tests for pipes.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
123 }
e34e9b75f470 nonblocking: Add tests for pipes.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
124
e34e9b75f470 nonblocking: Add tests for pipes.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
125 /* Execute the reader loop. */
e34e9b75f470 nonblocking: Add tests for pipes.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
126 static void
e34e9b75f470 nonblocking: Add tests for pipes.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
127 main_reader_loop (int test, size_t data_block_size, int fd)
e34e9b75f470 nonblocking: Add tests for pipes.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
128 {
e34e9b75f470 nonblocking: Add tests for pipes.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
129 unsigned char *expected;
e34e9b75f470 nonblocking: Add tests for pipes.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
130 unsigned char *data;
e34e9b75f470 nonblocking: Add tests for pipes.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
131
e34e9b75f470 nonblocking: Add tests for pipes.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
132 /* Set up the expected data. */
e34e9b75f470 nonblocking: Add tests for pipes.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
133 expected = init_data (data_block_size);
e34e9b75f470 nonblocking: Add tests for pipes.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
134
e34e9b75f470 nonblocking: Add tests for pipes.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
135 data = (unsigned char *) malloc (2 * data_block_size);
e34e9b75f470 nonblocking: Add tests for pipes.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
136 ASSERT (data != NULL);
e34e9b75f470 nonblocking: Add tests for pipes.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
137
e34e9b75f470 nonblocking: Add tests for pipes.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
138 switch (test)
e34e9b75f470 nonblocking: Add tests for pipes.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
139 {
e34e9b75f470 nonblocking: Add tests for pipes.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
140 TIMING_DECLS
e34e9b75f470 nonblocking: Add tests for pipes.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
141 ssize_t ret;
e34e9b75f470 nonblocking: Add tests for pipes.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
142
e34e9b75f470 nonblocking: Add tests for pipes.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
143 case 0: /* Test blocking write() with blocking read(). */
e34e9b75f470 nonblocking: Add tests for pipes.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
144 case 1: /* Test non-blocking write() with blocking read(). */
e34e9b75f470 nonblocking: Add tests for pipes.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
145 START_TIMING
e34e9b75f470 nonblocking: Add tests for pipes.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
146 ret = full_read (fd, data, data_block_size);
e34e9b75f470 nonblocking: Add tests for pipes.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
147 END_TIMING
e34e9b75f470 nonblocking: Add tests for pipes.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
148 ASSERT (ret == data_block_size);
e34e9b75f470 nonblocking: Add tests for pipes.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
149 ASSERT (memcmp (data, expected, data_block_size) == 0);
e34e9b75f470 nonblocking: Add tests for pipes.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
150 ASSERT (spent_time > 0.5);
e34e9b75f470 nonblocking: Add tests for pipes.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
151 /* This assertion fails if data_block_size is very large and
e34e9b75f470 nonblocking: Add tests for pipes.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
152 ENABLE_DEBUGGING is 1. */
e34e9b75f470 nonblocking: Add tests for pipes.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
153 ASSERT (spent_time < 1.5);
e34e9b75f470 nonblocking: Add tests for pipes.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
154
e34e9b75f470 nonblocking: Add tests for pipes.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
155 usleep (1000000);
e34e9b75f470 nonblocking: Add tests for pipes.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
156
e34e9b75f470 nonblocking: Add tests for pipes.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
157 START_TIMING
e34e9b75f470 nonblocking: Add tests for pipes.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
158 ret = full_read (fd, data, data_block_size);
e34e9b75f470 nonblocking: Add tests for pipes.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
159 END_TIMING
e34e9b75f470 nonblocking: Add tests for pipes.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
160 ASSERT (ret == data_block_size);
e34e9b75f470 nonblocking: Add tests for pipes.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
161 ASSERT (memcmp (data, expected + data_block_size, data_block_size) == 0);
e34e9b75f470 nonblocking: Add tests for pipes.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
162 /* This assertion fails if data_block_size is much larger than needed
e34e9b75f470 nonblocking: Add tests for pipes.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
163 and SMALL_DELAY is too large. */
e34e9b75f470 nonblocking: Add tests for pipes.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
164 ASSERT (spent_time < 0.5);
e34e9b75f470 nonblocking: Add tests for pipes.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
165
e34e9b75f470 nonblocking: Add tests for pipes.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
166 break;
e34e9b75f470 nonblocking: Add tests for pipes.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
167
e34e9b75f470 nonblocking: Add tests for pipes.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
168 case 2: /* Test blocking write() with non-blocking read(). */
e34e9b75f470 nonblocking: Add tests for pipes.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
169 case 3: /* Test non-blocking write() with non-blocking read(). */
e34e9b75f470 nonblocking: Add tests for pipes.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
170 START_TIMING
e34e9b75f470 nonblocking: Add tests for pipes.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
171 ret = full_read_from_nonblocking_fd (fd, data, data_block_size);
e34e9b75f470 nonblocking: Add tests for pipes.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
172 END_TIMING
e34e9b75f470 nonblocking: Add tests for pipes.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
173 ASSERT (ret == data_block_size);
e34e9b75f470 nonblocking: Add tests for pipes.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
174 ASSERT (memcmp (data, expected, data_block_size) == 0);
e34e9b75f470 nonblocking: Add tests for pipes.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
175 ASSERT (spent_time > 0.5);
e34e9b75f470 nonblocking: Add tests for pipes.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
176 /* This assertion fails if data_block_size is much larger than needed
e34e9b75f470 nonblocking: Add tests for pipes.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
177 and SMALL_DELAY is too large, or if data_block_size is very large and
e34e9b75f470 nonblocking: Add tests for pipes.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
178 ENABLE_DEBUGGING is 1. */
e34e9b75f470 nonblocking: Add tests for pipes.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
179 ASSERT (spent_time < 1.5);
e34e9b75f470 nonblocking: Add tests for pipes.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
180
e34e9b75f470 nonblocking: Add tests for pipes.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
181 usleep (1000000);
e34e9b75f470 nonblocking: Add tests for pipes.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
182
e34e9b75f470 nonblocking: Add tests for pipes.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
183 START_TIMING
e34e9b75f470 nonblocking: Add tests for pipes.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
184 ret = full_read_from_nonblocking_fd (fd, data, data_block_size);
e34e9b75f470 nonblocking: Add tests for pipes.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
185 END_TIMING
e34e9b75f470 nonblocking: Add tests for pipes.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
186 ASSERT (ret == data_block_size);
e34e9b75f470 nonblocking: Add tests for pipes.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
187 ASSERT (memcmp (data, expected + data_block_size, data_block_size) == 0);
e34e9b75f470 nonblocking: Add tests for pipes.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
188 /* This assertion fails if data_block_size is much larger than needed
e34e9b75f470 nonblocking: Add tests for pipes.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
189 and SMALL_DELAY is too large. */
e34e9b75f470 nonblocking: Add tests for pipes.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
190 ASSERT (spent_time < 0.5);
e34e9b75f470 nonblocking: Add tests for pipes.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
191
e34e9b75f470 nonblocking: Add tests for pipes.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
192 break;
e34e9b75f470 nonblocking: Add tests for pipes.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
193
e34e9b75f470 nonblocking: Add tests for pipes.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
194 default:
e34e9b75f470 nonblocking: Add tests for pipes.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
195 abort ();
e34e9b75f470 nonblocking: Add tests for pipes.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
196 }
e34e9b75f470 nonblocking: Add tests for pipes.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
197
e34e9b75f470 nonblocking: Add tests for pipes.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
198 free (data);
e34e9b75f470 nonblocking: Add tests for pipes.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
199 free (expected);
e34e9b75f470 nonblocking: Add tests for pipes.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
200 }